linux-kernel - Re: d63e2e1f3df breaks sparc/T5-8

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Date:	Fri, 27 Mar 2015 22:26:53 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	David Ahern <david.ahern@...cle.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: d63e2e1f3df breaks sparc/T5-8

On Fri, Mar 27, 2015 at 8:45 PM, David Ahern <david.ahern@...cle.com> wrote:
> On 3/27/15 9:19 PM, Yinghai Lu wrote:
>>
>> Good. But we still have annoying warning about "no compatible window".
>>
>> Please try attached patch that support 64bit pci mem space for sparc.
>>
>> BTW, looks like you still do not have   CONFIG_PCI_DEBUG=y in your
>> .config.
>> otherwise we should more verbose print out.
>> Or did you have DYNAMIC_DEBUG enabled ?
>> If it is that case, can you remove that?
>>
>
> done. attached.
>

ok, we are almost there.

[99510.956337] pci_sun4v f02dbcfc: PCI host bridge to bus 0000:00
[99511.025812] pci_bus 0000:00: root bus resource [io
0x804000000000-0x80400fffffff] (bus address [0x0000-0xfffffff])
[99511.151039] pci_bus 0000:00: root bus resource [mem
0x800000000000-0x80007effffff] (bus address [0x00000000-0x7effffff])
[99511.282693] pci_bus 0000:00: root bus resource [mem
0x800100000000-0x8007ffffffff] (bus address [0x00000000-0x6ffffffff])
[99511.414878] pci_bus 0000:00: root bus resource [bus 00-77]


looks like the offset for mem64 is not right.

Please try attached v2.

Thanks

Yinghai

View attachment "sparc_sun4v_mem64_v2.patch" of type "text/x-patch" (3543 bytes)